“control area”的概念、定义、翻译、参考文献-科学参考

单词	control area
释义	control area [kǝn`trōl ´er·ē·ǝ] ^NAVIGATION An area over which air-traffic control is exercised by a ground-located traffic-control center.
随便看	variable speech control variable-speed drive variable-speed generator variable-speed motor variable-speed scanning variable star variable-thickness microbridge variable-time fuse variable-transconductance circuit variable transformer variable visibility variable-volume air system variable waveguide attenuator variable-word-length variance variance ratio test variant variant record variate variate difference method variation variational inequality variational method variational principle variation diagram

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